R-D Audio & A-B-C All-Electric Power Pack

Robertson-Davis Co., Chicago

  • Year
  • 1928
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 215253

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: R-D Audio & A-B-C All-Electric Power Pack - Robertson-Davis Co., Chicago
  • Shape
  • Chassis only or for «building in»
  • Notes
  • The R-D Audio & A-B-C All-Electric Power Pack. This is a special 210 push-pull Unit with a voltage divider for use with any type of speaker, horn or cone --- dynamic or magnetic. Takes care of all audio and power requirements for the R-D Automatic Super Six Receiver when operated from 60 cycle A.C. electric lighting socket.

  • Literature/Schematics (1)
  • December 1928 Radio Engineering magazine page 59
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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